03:43:58 Write to Excel2007 format<br />03:43:58 File written to 33chartcreate-multiple-charts.xlsx<br />03:43:58 Peak memory usage: 2 MB<br />03:43:58 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />